您要查找的是不是：
- 改良L.D.Cuaimproved L.D.Cua
- 改良improve
- 改良的improved
- L/D比L/D ratio
- L-D算法L-D algorithm
- 维生素Dvitamin(e)
- 改良剂modifying agent
- L阵L-array
- 他主张改良监狱制度。He advocates reforming the prison system.
- A/D转换器A/D converter
- 到LDao L
- 土壤改良soil improvement
- D玻璃纤维D-glass fibre
- K-LKarhunen-Loeve
- 他热心于改良。He was zealous for improvement.
- D25 - ( OH ) 2 Vit D3
- L梁L girder
- 草原改良grassland improvement
- 性病(略为V.D.)venereal disease
- L阀L loop seal
